CN113910813A - Teaching display device for improving understanding ability of old people - Google Patents
Teaching display device for improving understanding ability of old people Download PDFInfo
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- CN113910813A CN113910813A CN202111073844.5A CN202111073844A CN113910813A CN 113910813 A CN113910813 A CN 113910813A CN 202111073844 A CN202111073844 A CN 202111073844A CN 113910813 A CN113910813 A CN 113910813A
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- 239000000428 dust Substances 0.000 claims abstract description 78
- 238000004064 recycling Methods 0.000 claims abstract description 65
- 230000000694 effects Effects 0.000 claims abstract description 15
- 230000003993 interaction Effects 0.000 claims abstract description 14
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 230000002452 interceptive effect Effects 0.000 claims description 24
- 238000007664 blowing Methods 0.000 claims description 19
- 230000007306 turnover Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000005389 magnetism Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 210000002345 respiratory system Anatomy 0.000 description 1
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- 230000003238 somatosensory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/045—Blackboards with magnetic action
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a teaching display device for improving the comprehension ability of old people, which comprises an interesting interaction device for reversely erasing, collecting and recycling ash raising prevention, a writing and displaying combination device, a multimedia learning interaction screen overturning and containing device, a writing and displaying combination screen rotating device, a height automatic adjusting device and a convenient and fast intimate assisting device. The invention belongs to the technical field of teaching aids, in particular to a teaching display device for improving the understanding ability of old people, which aims at the technical problems of external chalk dust erasing and dust flying after erasing of the existing teaching display device, adopts a reverse thinking mode that a blackboard eraser does not move, creatively arranges an automatic opening and closing magnetic dust-raising-preventing component according to an asymmetric principle, overcomes the technical bias that the blackboard erasing can only be realized by moving the blackboard eraser in the prior art, and can realize the technical effects of internal blackboard erasing and dust-raising-preventing type transmission and collection by only moving the blackboard eraser.
Description
Technical Field
The invention belongs to the technical field of teaching aids, and particularly relates to a teaching display device for improving the understanding ability of old people.
Background
The teaching aid is a general term of various appliances used by students to understand teaching contents visually and vividly and tools used by teachers when giving lessons. The teaching aid can improve the learning interest of students, enrich perceptual knowledge, help to form clear concepts and develop the observation ability and thinking ability of students. The existing teaching display device mostly adopts a fixed structure, cannot move and rotate, has a simple structure, a single function, no systematization and no humanized adjustment, considers less human engineering principles, has poor adaptability and certain limitation, has single display and teaching effects, lacks visual contrast and cannot achieve good demonstration effect; in addition, when the blackboard writing chalk is used for teaching, a large amount of dust is easily generated, the environment is polluted, and the health of teaching and attending staff is harmed. On the other hand, the teaching display device for the old is few and few, and the teaching display device which accords with the habits, physical and psychological characteristics of the old and can improve the comprehension ability of the old is almost zero.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides a teaching display device for improving the comprehension ability of the old, aiming at the technical problems that the prior teaching display device erases chalk dust on the outside and the dust flies around after erasing, a reverse thinking mode that the blackboard eraser does not move is adopted, and the automatic opening and closing magnetic dust-raising resistance component is creatively arranged according to the asymmetric principle, thereby overcoming the technical prejudice that the traditional blackboard erasing can only be realized by moving the blackboard eraser, and only by moving the blackboard, the technical effects of erasing the blackboard and resisting the transmission and collection of the chalk dust in the blackboard can be realized, the chalk dust can be interestingly recycled and processed after being recycled, participation of old people is improved, a teaching area is divided into a plurality of areas by utilizing a segmentation principle, the areas are functional, mutually connected and mutually independent, and comprehension ability of the old people is improved in an all-round and multi-angle mode.
The technical scheme adopted by the invention is as follows: the invention provides a teaching display device for improving the comprehension ability of old people, which comprises an interesting interaction device for reversely erasing, collecting and recycling ash, a writing and displaying combination device, a multimedia learning interaction screen overturning and containing device, a writing and displaying combination screen rotating device, an automatic height adjusting device and a convenient and fast core-attaching auxiliary device, wherein the automatic height adjusting device is arranged on the upper wall of the convenient and fast core-attaching auxiliary device, the automatic height adjusting device is used for adjusting the height of the whole device and can finely adjust the height according to needs, the writing and displaying combination screen rotating device is arranged on the upper wall of the automatic height adjusting device, the writing and displaying combination device is arranged on the upper wall of the writing and displaying combination screen rotating device, the writing and displaying combination device can rotate on a horizontal plane through the writing and displaying combination screen rotating device, the angle is adjusted to facilitate teaching, and the multimedia learning interaction screen overturning and containing device is arranged on the writing and displaying combination device, the reverse erasing, collecting and ash lifting preventing recycling interesting interaction device is arranged on the writing display combination device; the reverse erasing, collecting and ash-raising preventing recycling interesting interaction device comprises a flexible erasing blackboard strip, an ash-collecting funnel-shaped deep groove, an air cylinder sliding cavity, a blowing bend, a one-way air inlet ash-stopping valve, an automatic opening and closing magnetic ash-raising resisting component and a chalk ash recycling component, wherein the flexible erasing blackboard strip is arranged in a writing and displaying combination device, the flexible erasing blackboard strip can realize the function of automatically erasing handwritten traces, the air cylinder sliding cavity is arranged in the writing and displaying combination device, the air cylinder is telescopically and slidably arranged in the air cylinder sliding cavity, the blowing bend is communicated and connected with the air cylinder sliding cavity, the one-way air inlet ash-stopping valve is arranged in the blowing bend, the one-way air inlet ash-stopping valve can prevent the chalk ash from reversely diffusing along the blowing bend, the ash-collecting funnel-shaped deep groove is arranged on the bottom wall of the air cylinder sliding cavity, and the ash-collecting funnel-shaped deep groove is communicated and connected with the blowing bend, the automatic opening and closing magnetic ash-lifting-resisting component is arranged in the ash-collecting funnel-shaped deep groove, the automatic opening and closing magnetic ash-lifting-resisting component can prevent chalk ash from upwards diffusing in the ash-collecting funnel-shaped deep groove, the chalk ash recycling component is arranged on the upper wall of the outer side of the automatic height adjusting device, and the chalk ash recycling component is communicated and connected with the ash-collecting funnel-shaped deep groove.
Further, write and show composite set and include whiteboard main handwriting pad, the vice handwriting pad of blackboard, magnetism and inhale board show board, magnetism and inhale subside, multimedia learning interactive screen, middle limit baffle and handle, whiteboard main handwriting pad is located on writing and showing composite set rotary device upper wall, blackboard auxiliary handwriting pad and whiteboard main handwriting pad sliding connection, magnetism is inhaled board show board and whiteboard main handwriting pad sliding connection, magnetism is inhaled the activity and is located on the board show board to magnetism, multimedia learning interactive screen rotates with whiteboard main handwriting pad to be connected, middle limit baffle locates the inside central authorities department of whiteboard main handwriting pad for it is spacing to inhale board show board to blackboard auxiliary handwriting pad and magnetism, the handle is located respectively on the vice handwriting pad of blackboard and magnetism and inhale the lateral wall of board show board.
Further, interactive screen upset storage device of multimedia study includes upset chamber, axis of rotation, upset gear, meshing ring and first motor, the upset chamber is located on the whiteboard owner handwriting board upper wall, the upset intracavity is located to the axis of rotation, the upset gear equipartition is located in the axis of rotation, meshing ring equipartition is located on the upset intracavity wall, meshing ring is connected with the meshing of upset gear, the right side fixed connection of first motor and axis of rotation, first motor rotate and drive the axis of rotation and rotate, and the axis of rotation rotates and drives the upset gear and rotate, and the upset gear rotates and drives the meshing ring and rotate, and the meshing ring rotates and drives the upset chamber and rotate and realize accomodating the interactive screen of multimedia study upset downwards, upwards overturn the technological effect who expandes.
Furthermore, the one-way air inlet ash stop valve comprises a spring positioner, a first sleeve, a spring, a movable rod, a sealing element and a second sleeve, wherein the first sleeve is arranged in the air blowing bend, the spring positioner is arranged in the first sleeve, the second sleeve is connected with the first sleeve, the sealing element is movably arranged in the second sleeve, one end of the movable rod is movably arranged at the center of the spring positioner, the other end of the movable rod is arranged on the sealing element, one end of the spring is arranged on the spring positioner, the other end of the spring is arranged on the sealing element, and the spring is sleeved on the outer side of the movable rod; the automatic opening and closing magnetic ash-lifting-resisting component comprises a first fixed ash-sliding plate, a second movable ash-sliding plate, an ash-sliding plate return spring, a fan blade fixing rod, a fan blade, a 180-degree turnover control connecting rod, a fan blade limit stop rod, a limit baffle, a first magnet strip, a second magnet strip and a fan blade return torsion spring, wherein the first fixed ash-sliding plate is fixedly arranged on one inner side inclined wall of the ash-collecting funnel-shaped deep groove, the second movable ash-sliding plate is hinged on the other inner side inclined wall of the ash-collecting funnel-shaped deep groove, the second movable ash-sliding plate is higher than the first fixed ash-sliding plate, the ash-sliding plate return spring is arranged on the ash-collecting funnel-shaped deep groove and connected with the second movable ash-sliding plate, the fan blade fixing rod is arranged on the inner side bottom wall of the ash-collecting funnel-shaped deep groove, the fan blade is rotatably arranged on the fan blade fixing rod, the 180-degree turnover control connecting rod is arranged on the fan blade, and the fan blade limit stop rod is arranged on the fan blade, on limit baffle located the fan blade dead lever, first magnet strip activity was located on the first fixed slip grey board and is articulated with 180 degrees upset control connecting rod, and first magnet strip can realize 180 degrees rotations under the effect of 180 degrees upset control connecting rod to the utmost point of N and the automatic accent of S extremely, second magnet strip is fixed to be located on the movable slip grey board diapire of second, on the central axis point of fan blade is located to the fan blade reset torsional spring, the fan blade reset torsional spring can drive the fan blade gyration and make first magnet strip reset then when no air current.
Further, the chalk dust recycling assembly comprises a collecting box, a water adding pipe, a transverse rotating shaft, vertical plane stirring blades, a transverse rotating shaft manual handle, a longitudinal rotating shaft, a horizontal plane stirring blade, a longitudinal rotating shaft manual handle, a chalk dust recycling shell, a chalk dust recycling drawer handle and a chalk dust recycling model cavity, wherein the collecting box is arranged at the right side of the dust collecting funnel-shaped deep groove, the water adding pipe is arranged on the upper wall of the collecting box, the transverse rotating shafts are rotatably arranged on two opposite side walls of the collecting box, the vertical plane stirring blades are uniformly distributed on the transverse rotating shaft, the transverse rotating shaft manual handle is fixedly connected with the transverse rotating shaft, the longitudinal rotating shaft is rotatably arranged on the bottom wall of the collecting box, the horizontal plane stirring blades are uniformly distributed on the longitudinal rotating shaft, and the longitudinal rotating shaft manual handle is fixedly connected with the longitudinal rotating shaft, the manual handle of horizontal rotation axis and the manual handle of vertical rotation axis can rotate simultaneously, improve old person's coordinated control ability and teaching participation sense, the casing activity of recycling of chalk dust is located on the wall of the high automatic regulating apparatus outside, the casing is located under the collecting box to the chalk dust is recycled, the activity of chalk dust recycling steamer tray is located in the chalk dust recycling casing, the chalk dust recycling steamer tray handle is located on the chalk dust recycling steamer tray, the chalk dust recycling model chamber equipartition is located on the chalk dust recycling steamer tray.
Further, write and show that combination screen rotary device includes solid fixed base, rotatory thin platform, spacing handle, first locating part, second locating part, rotatory smooth ball and rotatory light spout, gu the fixed base is fixed to be located on the high automatic regulating apparatus, rotatory thin platform activity is located on the solid fixed base, spacing handle is located on the rotatory thin platform, first locating part is located on the solid fixed base, on the solid fixed base is located to the second locating part, first locating part and second locating part make the rotation angle control of writing and showing combination device control the within range of rotatory 45 degrees smoothness about, rotatory ball is located on the rotatory thin platform central diapire, rotatory light spout is located on solid fixed base central authorities, rotatory smooth ball rotates and locates in the rotatory light spout.
Further, the automatic height adjusting device comprises an automatic height adjusting device shell, an adjusting fixing table, an x-shaped adjusting part, a second motor, a lifting gear, a lifting engaging rod and a lifting box, wherein the automatic height adjusting device shell is arranged on the upper wall of the convenient core-attaching auxiliary device, the adjusting fixing table is arranged on the central bottom wall in the automatic height adjusting device shell, one end of the x-shaped adjusting part is hinged on the adjusting fixing table, the other end of the x-shaped adjusting part is hinged on the upper wall on the inner side of the automatic height adjusting device shell, the lifting engaging rod is symmetrically arranged on the two inner side walls of the automatic height adjusting device shell, the lifting box is arranged on the inner wall of the automatic height adjusting device shell, the lifting gear is rotatably arranged on the lifting box, the lifting gear is meshed with the lifting engaging rod, and the second motor is arranged on the inner wall of the automatic height adjusting device shell, the output end of the second motor is connected with the lifting gear; the second motor rotates and drives lifting gear to rotate, lifting gear rotates and drives the lifting meshing rod to lift, the lifting meshing rod lifts and drives the x-type adjusting part to lift, and under the combined action of the lifting meshing rod and the x-type adjusting part, the technical effect of stably and flexibly adjusting the height is achieved.
Further, the convenient and fast intimate auxiliary device comprises a light amplifier component, a multifunctional control panel, a containing box, a fixed bottom plate, wheels and a triangular fixed foot component, the light amplifier component is arranged on the upper wall of the shell of the automatic height adjusting device and can provide the functions of illumination and character amplification for the old when using the writing and displaying combination device, the multifunctional control panel is arranged on the upper wall of the shell of the automatic height adjusting device, the containing box is arranged in the shell of the automatic height adjusting device and is convenient for containing teaching aids and first-aid appliances for the old, the fixed bottom plate is arranged on the bottom wall of the shell of the automatic height adjusting device, the wheels are symmetrically arranged on the bottom wall of the fixed bottom plate, the triangular fixing foot components are symmetrically arranged on two side walls of the fixing bottom plate, and the triangular fixing foot components are convenient to move to a proper position and then are fixed; the light magnifier assembly comprises a telescopic adjusting rod, a light magnifier connecting rod, an optical magnifying lens and annular eye protection lamp beads, wherein one end of the telescopic adjusting rod is arranged on the upper wall of the shell of the automatic height adjusting device, one end of the light magnifier connecting rod is connected with the other end of the telescopic adjusting rod, the optical magnifying lens is rotationally connected with the other end of the light magnifier connecting rod, and the annular eye protection lamp beads are annularly and uniformly distributed on the optical magnifier; the multifunctional control panel comprises digital keys, sound ports and sound receiving strips, the digital keys are uniformly distributed in the center of the multifunctional control panel, the sound ports and the sound receiving strips are respectively arranged on the multifunctional control panel, the sound ports are symmetrically arranged on two sides of the digital keys, the sound receiving strips are arranged below the digital keys, and the sound receiving strips are convenient for old people to repeat and receive sound when expressing; the triangle fixed foot subassembly includes triangle fixed foot dead lever, triangle fixed foot telescopic link, anti-skidding fixed retaining member, the bracing piece that opens and shuts and triangle fixed foot supporting shoe, triangle fixed foot supporting shoe symmetry is located on the PMKD lateral wall, the one end of triangle fixed foot telescopic link is located on the triangle fixed foot supporting shoe, the other end sliding connection of triangle fixed foot dead lever and triangle fixed foot telescopic link, anti-skidding fixed retaining member is located on the triangle fixed foot dead lever for locking triangle fixed foot telescopic link and triangle fixed foot dead lever, the one end and the triangle fixed foot telescopic link fixed connection of the bracing piece that opens and shuts, the other end of the bracing piece that opens and shuts is located on the triangle fixed foot supporting shoe, the triangle fixed foot supporting shoe is located on the triangle fixed foot telescopic link.
The invention adopting the structure has the following beneficial effects: the scheme provides a teaching display device for improving the comprehension ability of the old, aiming at the technical problems that the existing teaching display device erases chalk dust on the outside and the dust flies after the chalk dust is erased, the reverse thinking mode that the blackboard eraser does not move and the automatic opening and closing magnetic dust-raising component is creatively arranged according to the asymmetric principle, the technical bias that the blackboard erasing can only be realized by moving the blackboard eraser in the traditional method is overcome, the technical effects of erasing the blackboard in the interior and carrying out the blocking type transmission and collection on the chalk dust can be realized only by moving the blackboard, the shape-improving interesting recovery processing on the recovered chalk dust can be realized, the participation feeling of the old is improved, the teaching area is divided into a plurality of teaching areas by utilizing the division principle, each teaching area has functions, is mutually independent, the comprehension ability of the old is improved by the omnibearing method, the height of the whiteboard main handwriting board is as high as the sitting posture of the old, the blackboard auxiliary writing board can be used by teachers or the old, the height of the blackboard auxiliary writing board and the height of the sitting posture of the old can be used for writing, writing for the deceased and calculating for the old, the magnetic suction board display board and the height of the sitting posture of the old can display newspapers, magazines and artworks, the multimedia learning interactive screen and the height of the standing posture of the old can be used for music appreciation, video watching, health knowledge lecture and somatosensory game interaction;
in the process, a unidirectional air inlet dust stop valve and an automatic opening and closing magnetic dust blocking and raising assembly realize safe dust-free collection, ensure that the respiratory system of the old is not disturbed by the chalk dust and the environment is clean, and the chalk dust recycling assembly realizes the remanufacturing of the chalk dust, thereby improving the participation and psychological satisfaction of the old while protecting the environment;
the multimedia learning interactive screen overturning and accommodating device realizes the function of downwards overturning and accommodating the multimedia learning interactive screen, and reduces the occupied space of the whole device; the writing display combined screen rotating device realizes multi-angle rotation of the writing display combined screen and can be adjusted according to actual needs; the automatic height adjusting device can conveniently adjust the height of the whole device; convenient close to heart auxiliary device has improved the use sense of whole device, convenience and humanity are felt, digital button on the multi-functional control panel can answer the question and calculate the input button, the receipts sound strip can be rephrased at the old person, carry out the radio reception when reading aloud and expressing, convenient follow-up broadcast or as the promotion condition of contrast material analysis old person understanding ability, light amplification mirror subassembly can freely stretch out and draw back, so that the old person uses when needs, teaching aid or old person's first aid articles for use commonly used can be accomodate to the containing box, the fixed foot subassembly of triangle can be placed at whole device and properly after-fixing subaerial, the condition of sideslipping and tumbling has effectively been prevented.
Drawings
FIG. 1 is an overall appearance diagram of a teaching display device for improving the comprehension of the elderly provided by the invention;
FIG. 2 is a front cross-sectional view of a teaching display device for improving the comprehension of the elderly provided by the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a diagram of a connection mode of a fan blade and a first magnet strip in an automatically opening and closing magnetic ash-lifting resisting component;
FIG. 5 is a schematic diagram of the automatic opening and closing of the magnetic ash blocking component;
FIG. 6 is a partial enlarged view of portion B of FIG. 2;
FIG. 7 is a perspective assembly view of the one-way ash check valve according to the present invention;
FIG. 8 is an enlarged view of a portion C of FIG. 2;
fig. 9 is a side sectional view of the multimedia learning interactive screen turnover storage device;
fig. 10 is a partial enlarged view of a portion D in fig. 2;
fig. 11 is a partial enlarged view of portion E of fig. 2;
FIG. 12 is a perspective view of a writing display combination screen rotating apparatus;
fig. 13 is an internal perspective view of the writing display combination screen rotating apparatus.
Wherein, 1, a writing and displaying combined device, 2, a multimedia learning interactive screen overturning and containing device, 3, a reverse erasing and collecting ash-raising-preventing recycling interesting interactive device, 4, a writing and displaying combined screen rotating device, 5, a height automatic adjusting device, 6, a convenient and fast centering auxiliary device, 7, a white board main handwriting board, 8, a blackboard auxiliary handwriting board, 9, a magnetic board display board, 10, a magnetic sticker, 11, a multimedia learning interactive screen, 13, a middle limit baffle, 14, a handle, 15, an overturning cavity, 16, a rotating shaft, 17, an overturning gear, 18, a meshing ring, 19, a first motor, 20, a flexible blackboard erasing strip, 21, an ash-collecting funnel-shaped deep groove, 22, a cylinder, 23, a cylinder sliding cavity, 24, blowing, 25, a one-way air inlet ash-stopping valve, 26, an automatic opening and closing magnetic ash-raising-preventing component, 27, a chalk ash recycling component, 28, a spring positioner, 29. the device comprises a first sleeve, a first fixed ash sliding plate, a second fixed ash sliding plate, a first movable ash sliding plate, a second movable ash sliding plate, a sealing element, a second sleeve, a first fixed ash sliding plate, a second movable ash sliding plate, a second ash sliding plate return spring, a first sleeve, a fan blade fixing rod, a second sleeve, a fan blade, a second sleeve, a first fixed ash sliding plate, a second sleeve, a second movable ash sliding plate, a second sleeve, a third sleeve, a fourth sleeve, a fifth sleeve, a fourth sleeve, a fifth sleeve, a sixth sleeve, a sixth, a fifth sleeve, a sixth sleeve, a fifth sleeve, a sixth sleeve, a sixth, the automatic height adjusting device comprises a first limiting piece, 60, a second limiting piece, 61, a rotary smooth ball, 62, a rotary smooth groove, 63, an adjusting fixing table, 64, an x-shaped adjusting piece, 65, a second motor, 66, a lifting gear, 67, a lifting meshing rod, 68, a light magnifier assembly, 69, a multifunctional control panel, 70, a storage box, 71, wheels, 72, a triangular fixing foot assembly, 73, an optical magnifying lens, 74, an annular eye-protecting lamp bead, 75, a light magnifier connecting rod, 76, a telescopic adjusting rod, 77, a digital key, 78, a sound port, 79, a radio strip, 80, a triangular fixing foot assembly, a supporting block, a triangular fixing foot telescopic rod, 82, a triangular fixing foot fixing rod, 83, an anti-slip fixing locking piece, 84, an opening and closing supporting rod, 85, an automatic height adjusting device shell, 86, a lifting box, 87, a reset fan blade, 88 and a fixing bottom plate.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the teaching display device for improving the ability of old people to understand provided by the invention comprises a writing display combination device 1, a multimedia learning interactive screen overturning and accommodating device 2, a reverse erasing, collecting, ash lifting prevention and recycling interesting interactive device 3, a writing display combination screen rotating device 4, a height automatic adjusting device 5 and a convenient and fast core-attaching auxiliary device 6, wherein the height automatic adjusting device 5 is arranged on the upper wall of the convenient core-attaching auxiliary device 6, the writing display combination screen rotating device 4 is arranged on the upper wall of the height automatic adjusting device 5, the writing display combination device 1 is arranged on the upper wall of the writing display combination screen rotating device 4, the multimedia learning interactive screen overturning and accommodating device 2 is arranged on the writing display combination device 1, and the reverse erasing, collecting, ash lifting prevention and recycling interactive device 3 is arranged on the interesting writing display combination device 1.
As shown in fig. 1-2, writing and displaying combined device 1 includes whiteboard main handwriting board 7, blackboard auxiliary handwriting board 8, magnetic attraction board show board 9, magnetic attraction 10, multimedia learning interactive screen 11, middle limit baffle 13 and handle 14, whiteboard main handwriting board 7 is located on writing and displaying combined screen rotary device 4 upper wall, blackboard auxiliary handwriting board 8 and whiteboard main handwriting board 7 sliding connection, magnetic attraction board show board 9 and whiteboard main handwriting board 7 sliding connection, magnetic attraction 10 is movably located on magnetic attraction board show board 9, multimedia learning interactive screen 11 is connected with whiteboard main handwriting board 7 rotation, middle limit baffle 13 is located the inside central department of whiteboard main handwriting board 7, handle 14 is located respectively on the outer side wall of blackboard auxiliary handwriting board 8 and magnetic attraction board show board 9.
As shown in fig. 2 and 8 to 9, the multimedia learning interactive screen turnover storage device 2 includes a turnover cavity 15, a rotation shaft 16, turnover gears 17, meshing rings 18 and a first motor 19, the turnover cavity 15 is disposed on the upper wall of the whiteboard main handwriting board 7, the rotation shaft 16 is disposed in the turnover cavity 15, the turnover gears 17 are uniformly distributed on the rotation shaft 16, the meshing rings 18 are uniformly distributed on the inner wall of the turnover cavity 15, the meshing rings 18 are meshed with the turnover gears 17, and the first motor 19 is fixedly connected with the right side of the rotation shaft 16; the first motor 19 drives the rotating shaft 16 to overturn, the rotating shaft 16 drives the overturning gear 17 to overturn, and the overturning gear 17 drives the meshing ring 18 to overturn so as to overturn the overturning cavity 15, so that the multimedia learning interactive screen overturning and accommodating device 2 can be overturned downwards for accommodating or overturned upwards for unfolding and can adjust the overturning angle.
As shown in fig. 2-3, the reverse erasing, collecting, ash-lifting prevention and recycling interesting interaction device 3 comprises a flexible erasing blackboard strip 20, an ash-collecting funnel-shaped deep groove 21, an air cylinder 22, an air cylinder sliding cavity 23, an air blowing curved channel 24, a one-way air inlet ash-stopping valve 25, an automatic opening and closing magnetic ash-lifting resisting component 26 and a chalk ash recycling component 27, wherein the flexible erasing blackboard strip 20 is arranged in the writing and displaying combination device 1, the air cylinder sliding cavity 23 is arranged in the writing and displaying combination device 1, the air cylinder 22 is telescopically and slidably arranged in the air cylinder sliding cavity 23, the air blowing curved channel 24 is communicated with the air cylinder sliding cavity 23, the one-way air inlet ash-stopping valve 25 is arranged in the air blowing curved channel 24, the ash-collecting funnel-shaped deep groove 21 is arranged on the bottom wall of the air cylinder sliding cavity 23, the ash-collecting funnel-shaped deep groove 21 is communicated with the air blowing curved channel 24, the automatic opening and closing magnetic ash-lifting resisting component 26 is arranged in the ash-collecting funnel-shaped deep groove 21, the chalk dust recycling assembly 26 is arranged on the upper wall of the outer side of the automatic height adjusting device 5, and the chalk dust recycling assembly 26 is communicated with the dust collecting funnel type deep groove 21.
As shown in fig. 2 to 7, the one-way air inlet ash valve 25 includes a spring positioner 28, a first sleeve 29, a spring 30, a movable rod 31, a sealing member 32 and a second sleeve 33, the first sleeve 29 is disposed in the air blowing curved channel 24, the spring positioner 28 is disposed in the first sleeve 29, the second sleeve 33 is connected to the first sleeve 29, the sealing member 32 is movably disposed in the second sleeve 33, one end of the movable rod 31 is movably disposed at the center of the spring positioner 28, the other end of the movable rod 31 is disposed on the sealing member 32, one end of the spring 30 is disposed on the spring positioner 28, the other end of the spring 30 is disposed on the sealing member 32, and the spring 30 is sleeved outside the movable rod 31; when air enters, the spring 30 and the movable rod 31 drive the sealing element 32 to slide in the second sleeve 33, air passes through the second sleeve 33 with a small air inlet and a large air outlet and enters the ash collecting funnel-shaped deep groove 21, and when the air moves reversely, the sealing element 32 is clamped at the small air inlet of the second sleeve 33 and cannot move, so that the air cannot enter the air blowing curve 24; the automatic opening and closing magnetic ash-lifting-resisting component 26 comprises a first fixed ash-sliding plate 34, a second movable ash-sliding plate 35, an ash-sliding plate return spring 36, a fan blade fixing rod 37, a fan blade 38, a 180-degree turnover control connecting rod 39, a fan blade limit stop rod 40, a limit baffle 41, a first magnet strip 42, a second magnet strip 43 and a fan blade return torsion spring 87, wherein the first fixed ash-sliding plate 34 is fixedly arranged on one inner side inclined wall of the ash-collecting funnel-shaped deep groove 21, the second movable ash-sliding plate 35 is hinged on the other inner side inclined wall of the ash-collecting funnel-shaped deep groove 21, the second movable ash-sliding plate 35 is higher than the first fixed ash-sliding plate 34, the ash-sliding plate return spring 36 is arranged on the ash-collecting funnel-shaped deep groove 21 and is connected with the second movable ash-sliding plate 35, the fan blade fixing rod 37 is arranged on the inner side bottom wall of the ash-collecting funnel-shaped deep groove 21, the fan blade 38 is rotatably arranged on the fan blade fixing rod 37, the 180-degree turnover control connecting rod 39 is arranged on the fan blade 38, the fan blade 38 can drive 180 degrees upset control connecting rod 39 to rotate when rotating, fan blade limit stop lever 40 is located on the fan blade 38, limit baffle 41 is located on fan blade dead lever 37, fan blade 38 rotates 180 degrees after, fan blade limit stop lever 40 can block on limit baffle 41 upper surface and then fan blade 38 can not continue to rotate, first magnet strip 42 activity is located on first fixed slip ash board 34 and is articulated with 180 degrees upset control connecting rod 39, second magnet strip 43 is fixed and is located on the movable slip ash board 35 diapire of second, fan blade reset torsion spring 87 is located on the central axis point of fan blade 38, can drive fan blade 38 gyration when no air current makes first magnet strip 42 reset then.
As shown in fig. 2 and 10, the chalk dust recycling assembly 27 includes a collection box 44, a water feeding pipe 45, a horizontal rotation shaft 46, a vertical surface stirring blade 47, a horizontal rotation shaft manual handle 48, a vertical rotation shaft 49, a horizontal surface stirring blade 50, a vertical rotation shaft manual handle 51, a chalk dust recycling housing 52, a chalk dust recycling drawer 53, a chalk dust recycling drawer handle 54 and a chalk dust recycling model cavity 55, the collection box 44 is disposed at the right side of the dust collection funnel type deep groove 21, the water feeding pipe 45 is disposed on the upper wall of the collection box 44, the horizontal rotation shafts 46 are rotatably disposed on two opposite side walls of the collection box 44, the vertical surface stirring blades 47 are uniformly disposed on the horizontal rotation shaft 46, the horizontal rotation shaft manual handle 48 is fixedly connected to the horizontal rotation shaft 46, the vertical rotation shaft 49 is rotatably disposed on the bottom wall of the collection box 44, the horizontal surface stirring blades 50 are uniformly disposed on the vertical rotation shaft 49, the manual handle 51 of the longitudinal rotating shaft is fixedly connected with the longitudinal rotating shaft 49, the chalk dust recycling casing 52 is movably arranged on the upper wall of the outer side of the automatic height adjusting device 5, the chalk dust recycling casing 52 is arranged right below the collecting box 44, the chalk dust recycling drawer 53 is movably arranged in the chalk dust recycling casing 52, the chalk dust recycling drawer handle 54 is arranged on the chalk dust recycling drawer 53, and the chalk dust recycling model cavities 55 are uniformly distributed on the chalk dust recycling drawer 53.
As shown in fig. 2 and fig. 12 to fig. 13, the writing and displaying combined screen rotating device 4 includes a fixed base 56, a thin rotating table 57, a limiting handle 58, a first limiting member 59, a second limiting member 60, a smooth rotating ball 61 and a smooth rotating groove 62, the fixed base 56 is fixedly disposed on the automatic height adjusting device 5, the thin rotating table 57 is movably disposed on the fixed base 56, the limiting handle 58 is disposed on the thin rotating table 57, the first limiting member 59 is disposed on the fixed base 56, the second limiting member 60 is disposed on the fixed base 56, the smooth rotating ball 61 is disposed on the central bottom wall of the thin rotating table 57, the smooth rotating groove 62 is disposed on the center of the fixed base 56, and the smooth rotating ball 61 is rotatably disposed in the smooth rotating groove 62.
As shown in FIG. 2, the automatic height adjusting device 5 includes an automatic height adjusting device housing 85, an adjusting fixing stand 63, an x-shaped adjusting member 64, a second motor 65, a lifting gear 66, a lifting engaging rod 67 and a lifting box 86, the automatic height adjusting device housing 85 is disposed on the upper wall of the convenient self-centering auxiliary device 6, the adjusting fixing stand 63 is disposed on the inner central bottom wall of the automatic height adjusting device housing 85, one end of the x-shaped adjusting member 64 is hinged to the adjusting fixing stand 63, the other end of the x-shaped adjusting member 64 is hinged to the inner upper wall of the automatic height adjusting device housing 85, the lifting engaging rods 67 are symmetrically disposed on the two inner opposite side walls of the automatic height adjusting device housing 85, the lifting box 86 is disposed on the inner wall of the automatic height adjusting device housing 85, the lifting gear 66 is rotatably disposed on the lifting box 86, the lifting gear 66 is engaged with the lifting engaging rod 67, the second motor 65 is disposed on the inner wall of the automatic height adjusting device housing 85, the output of the second motor 65 is connected to a lifting gear 66.
As shown in fig. 1 to 2 and 11, the convenient and fast centering aid 6 includes a light magnifier assembly 68, a multifunctional control panel 69, a storage box 70, a fixing bottom plate 88, wheels 71 and a triangular fixing foot assembly 72, wherein the light magnifier assembly 68 is disposed on the upper wall of the housing 85 of the automatic height adjusting device, the multifunctional control panel 69 is disposed on the upper wall of the housing 85 of the automatic height adjusting device, the storage box 70 is disposed in the housing 85 of the automatic height adjusting device, the fixing bottom plate 88 is disposed on the bottom wall of the housing 85 of the automatic height adjusting device, the wheels 71 are symmetrically disposed on the bottom wall of the fixing bottom plate 88, and the triangular fixing foot assembly 72 is symmetrically disposed on two side walls of the fixing bottom plate 85; the light magnifier assembly 68 comprises a telescopic adjusting rod 76, a light magnifier connecting rod 75, an optical magnifier lens 73 and annular eye protection lamp beads 74, one end of the telescopic adjusting rod 76 is arranged on the upper wall of the automatic height adjusting device shell 85, one end of the light magnifier connecting rod 75 is connected with the other end of the telescopic adjusting rod 76, the optical magnifier lens 73 is rotatably connected with the other end of the light magnifier connecting rod 75, and the annular eye protection lamp beads 74 are annularly and uniformly distributed on the optical magnifier lens 73; the multifunctional control panel 69 comprises digital keys 77, sound ports 78 and sound receiving strips 79, the digital keys 77 are uniformly distributed on the center of the multifunctional control panel 69, the sound ports 78 and the sound receiving strips 79 are respectively arranged on the multifunctional control panel 69, the sound ports 78 are symmetrically arranged on two sides of the digital keys 77, and the sound receiving strips 79 are arranged below the digital keys 77; triangle fixed foot subassembly 72 includes triangle fixed foot dead lever 82, triangle fixed foot telescopic link 81, anti-skidding fixed retaining member 83, open and shut bracing piece 84 and triangle fixed foot supporting shoe 80, triangle fixed foot supporting shoe 80 symmetry is located on PMKD 88 lateral wall, triangle fixed foot telescopic link 81's one end is located on triangle fixed foot supporting shoe 80, triangle fixed foot dead lever 82 and triangle fixed foot telescopic link 81's other end sliding connection, anti-skidding fixed retaining member 83 is located on triangle fixed foot dead lever 82, open and shut bracing piece 84's one end and triangle fixed foot telescopic link 81 fixed connection, open and shut bracing piece 84's the other end and locate on the triangle fixed foot supporting shoe 80, triangle fixed foot supporting shoe 80 is located on triangle fixed foot telescopic link 81.
When the multifunctional combined writing and displaying device is used specifically, a user pushes the whole device to a position needing teaching through the wheels 71, the position is adjusted and then fixed on the ground through the triangular fixing foot assembly 72, the second motor 65 is turned on, the height of the whole device is automatically adjusted to a proper position through the height automatic adjusting device 5, the first motor 19 is turned on, the multimedia learning interactive screen 11 is turned over through the multimedia learning interactive screen turning and storing device 2, the auxiliary writing board 8 and the magnetic suction board display board 9 can be stored or unfolded through the handle 14 pushing and pulling the auxiliary writing board 8 and the magnetic suction board display board 9 towards the main writing board 7, the middle limit baffle 13 can limit the pushed position, the writing and displaying combined device 1 is rotated and adjusted to a proper position through the writing and displaying combined screen rotating device 4, normal teaching can be carried out next, and the lamp light amplifying assembly 68 can be used as required in teaching, A multifunction control panel 69 and a storage box 70; when the handwriting on the blackboard auxiliary handwriting board 8 needs to be erased, the handle 14 is held by hand to push the blackboard auxiliary handwriting board 8 inwards, the chalk handwriting is automatically erased after the blackboard auxiliary handwriting board 8 is contacted with the flexible blackboard erasing strip 20, the scattered chalk dust falls into the wide-mouth dust collecting funnel-shaped deep groove 21 by means of gravity, the chalk dust slides down after contacting with the first fixed dust sliding board 34 and the second movable dust sliding board 35, the first magnet stone strip 42 and the second magnet stone strip 43 at the moment are in a repulsive state, the downward sliding channel is opened, the chalk dust slides down and is deposited, the air cylinder 22 is driven to move inwards when the blackboard auxiliary handwriting board 8 is pushed inwards next time, the air cylinder 22 is pushed in the air cylinder sliding cavity 23, the compressed air enters the one-way dust inlet stop valve 25 through the air blowing channel 24 and then enters the dust collecting funnel-shaped deep groove 21, the air enables the fan blades 38 to rotate, the 180-degree turnover control connecting rod 39 drives the first magnet stone strip 42 to turn over, because the fan blade limit stop lever 40 and the limit baffle 41 act, the fan blade 38 can only rotate 180 degrees, so the first magnet strip 42 also rotates 180 degrees, the N pole and the S pole are exchanged, the exchanged first magnet strip 42 and the second magnet strip 43 are attracted, the first fixed ash sliding plate 34 and the second movable ash sliding plate 35 are closed, the chalk ash lifting channel is closed, the chalk ash is smoothly brought into the collection box 44 in the chalk ash recycling assembly 27 by the airflow, a user can add proper water into the collection box 44 through the water adding pipe 45, mix the water and the chalk ash, can take the vertical stirring blade 47 and the horizontal stirring blade 50 to stir the mixture through rotating the transverse rotating shaft manual handle 48 and the longitudinal rotating shaft manual handle 51, and after the mixture is uniformly stirred, the mixture is taken out and poured into the chalk ash recycling model cavity 55 in the chalk ash recycling drawer 53, and then, carrying out scraping and compacting treatment, taking out the formed chalk for recycling after the mixture is solidified, wherein the step is the overall working process of the invention, and repeating the step when the chalk is used next time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides an improve teaching display device of old person's comprehension ability which characterized in that: comprises an interesting interaction device (3) for reversely erasing, collecting and recycling dust raising prevention, a writing and displaying combination device (1), a multimedia learning interaction screen overturning and containing device (2), a writing and displaying combination screen rotating device (4), a height automatic adjusting device (5) and a convenient and fast core-attaching auxiliary device (6), the automatic height adjusting device (5) is arranged on the upper wall of the convenient and fast heart-sticking auxiliary device (6), the writing and displaying combined screen rotating device (4) is arranged on the upper wall of the height automatic adjusting device (5), the writing and displaying combined device (1) is arranged on the upper wall of the writing and displaying combined screen rotating device (4), the multimedia learning interactive screen overturning and accommodating device (2) is arranged on the writing display combination device (1), the reverse erasing, collecting and ash lifting preventing recycling interesting interaction device (3) is arranged on the writing display combination device (1); the reverse erasing, collecting and ash lifting prevention recycling interesting interaction device (3) comprises a flexible blackboard erasing strip (20), an ash collecting funnel-shaped deep groove (21), an air cylinder (22), an air cylinder sliding cavity (23), an air blowing bend (24), a one-way air inlet ash stopping valve (25), an automatic opening and closing magnetic ash lifting component (26) and a chalk ash recycling component (27), wherein the flexible blackboard erasing strip (20) is arranged in the writing and displaying combination device (1), the air cylinder sliding cavity (23) is arranged in the writing and displaying combination device (1), the air cylinder (22) is telescopically and slidably arranged in the air cylinder sliding cavity (23), the air blowing bend (24) is communicated with the air cylinder sliding cavity (23), the one-way air inlet ash stopping valve (25) is arranged in the air blowing bend (24), and the ash collecting funnel-shaped deep groove (21) is arranged on the bottom wall of the air cylinder sliding cavity (23), the automatic chalk dust recycling device is characterized in that the dust collecting funnel-shaped deep groove (21) is communicated with the blowing elbow (24), the automatic opening and closing magnetic dust blocking and raising assembly (26) is arranged in the dust collecting funnel-shaped deep groove (21), the chalk dust recycling assembly (27) is arranged on the upper wall of the outer side of the automatic height adjusting device (5), and the chalk dust recycling assembly (27) is communicated with the dust collecting funnel-shaped deep groove (21).
2. The teaching display device for improving the comprehension ability of the old people according to claim 1, wherein: the writing and displaying combined device (1) comprises a whiteboard main writing board (7), a blackboard auxiliary writing board (8), a magnetic suction board display board (9), a magnetic suction sticker (10), a multimedia learning interactive screen (11), a middle limit baffle (13) and a handle (14), the main writing board (7) of the whiteboard is arranged on the upper wall of the writing and displaying combined screen rotating device (4), the blackboard auxiliary writing board (8) is connected with the whiteboard main writing board (7) in a sliding way, the magnetic attraction board display board (9) is connected with the whiteboard main writing board (7) in a sliding way, the magnetic attraction paste (10) is movably arranged on the magnetic attraction board display board (9), the multimedia learning interaction screen (11) is rotatably connected with the whiteboard main handwriting board (7), the middle limit baffle (13) is arranged at the center inside the whiteboard main writing board (7), the handles (14) are respectively arranged on the outer side walls of the blackboard auxiliary writing board (8) and the magnetic suction board display board (9).
3. The teaching display device for improving the comprehension ability of the old people according to claim 2, wherein: multimedia learning interactive screen upset storage device (2) are including upset chamber (15), axis of rotation (16), upset gear (17), meshing ring (18) and first motor (19), on whiteboard owner handwriting pad (7) upper wall was located in upset chamber (15), upset chamber (15) are located in axis of rotation (16), on axis of rotation (16) was located to upset gear (17) equipartition, meshing ring (18) equipartition was located on upset chamber (15) inner wall, meshing ring (18) are connected with upset gear (17) meshing, the right side fixed connection of first motor (19) and axis of rotation (16).
4. The teaching display device for improving the comprehension of the old people according to claim 3, wherein: the unidirectional air inlet ash stop valve (25) comprises a spring position device (28), a first sleeve (29), a spring (30), a movable rod (31), a sealing element (32) and a second sleeve (33), wherein the first sleeve (29) is arranged in an air blowing bend (24), the spring position device (28) is arranged in the first sleeve (29), the second sleeve (33) is connected with the first sleeve (29), the sealing element (32) is movably arranged in the second sleeve (33), one end of the movable rod (31) is movably arranged at the center of the spring position device (28), the other end of the movable rod (31) is arranged on the sealing element (32), one end of the spring (30) is arranged on the spring position device (28), the other end of the spring (30) is arranged on the sealing element (32), and the spring (30) is sleeved on the outer side of the movable rod (31); the automatic opening and closing magnetic ash-lifting-resistant component (26) comprises a first fixed ash-sliding plate (34), a second movable ash-sliding plate (35), an ash-sliding plate return spring (36), a fan blade fixing rod (37), a fan blade (38), a 180-degree turnover control connecting rod (39), a fan blade limit stop lever (40), a limit baffle (41), a first magnet strip (42), a second magnet strip (43) and a fan blade (38) return torsion spring, wherein the first fixed ash-sliding plate (34) is fixedly arranged on one inner inclined wall of the ash-collecting funnel-shaped deep groove (21), the second movable ash-sliding plate (35) is hinged on the other inner inclined wall of the ash-collecting funnel-shaped deep groove (21), the second movable ash-sliding plate (35) is higher than the first fixed ash-sliding plate (34), the ash-sliding plate return spring (36) is arranged on the ash-collecting funnel-shaped deep groove (21) and is connected with the second movable ash-sliding plate (35), the fan blade fixing rod (37) is arranged on the inner bottom wall of the ash-collecting funnel-shaped deep groove (21), the fan blade (38) rotate to be located on fan blade dead lever (37), 180 degrees upset control connecting rod (39) are located on fan blade (38), fan blade (38) are located in fan blade limit stop lever (40), limit baffle (41) are located on fan blade dead lever (37), first magnet strip (42) activity is located on first fixed smooth grey board (34) and articulated with 180 degrees upset control connecting rod (39), second magnet strip (43) are fixed to be located on the movable smooth grey board of second (35) diapire, fan blade (38) reset torsion spring is located on the central axis point of fan blade (38).
5. The teaching display device for improving the comprehension of the old people according to claim 4, wherein: the chalk dust recycling assembly (27) comprises a collecting box (44), a water adding pipe (45), a transverse rotating shaft (46), a vertical plane stirring blade (47), a transverse rotating shaft manual handle (48), a longitudinal rotating shaft (49), a horizontal plane stirring blade (50), a longitudinal rotating shaft manual handle (51), a chalk dust recycling shell (52), a chalk dust recycling drawer (53), a chalk dust recycling drawer handle (54) and a chalk dust recycling model cavity (55), wherein the collecting box (44) is arranged on the right side of the chalk dust collecting funnel-type deep groove (21), the water adding pipe (45) is arranged on the upper wall of the collecting box (44), the transverse rotating shaft (46) is rotatably arranged on two opposite side walls of the collecting box (44), the vertical plane stirring blades (47) are uniformly distributed on the transverse rotating shaft (46), and the transverse rotating shaft manual handle (48) is fixedly connected with the transverse rotating shaft (46), the chalk dust recycling device is characterized in that the longitudinal rotating shaft (49) is rotatably arranged on the bottom wall of the collecting box (44), the horizontal stirring blades (50) are uniformly distributed on the longitudinal rotating shaft (49), the longitudinal rotating shaft manual handle (51) is fixedly connected with the longitudinal rotating shaft (49), the chalk dust recycling shell (52) is movably arranged on the upper wall of the outer side of the automatic height adjusting device (5), the chalk dust recycling shell (52) is arranged under the collecting box (44), the chalk dust recycling drawer (53) is movably arranged in the chalk dust recycling shell (52), the chalk dust recycling drawer handle (54) is arranged on the chalk dust recycling drawer (53), and the chalk dust recycling model cavities (55) are uniformly distributed on the chalk dust recycling drawer (53).
6. The teaching display device for improving the comprehension of the old people according to claim 5, wherein: the writing and displaying combined screen rotating device (4) comprises a fixed base (56), a rotating thin platform (57), a limiting handle (58), a first limiting part (59), a second limiting part (60), a rotating smooth ball (61) and a rotating smooth groove (62), wherein the fixed base (56) is fixedly arranged on the automatic height adjusting device (5), the rotating thin platform (57) is movably arranged on the fixed base (56), the limiting handle (58) is arranged on the rotating thin platform (57), the first limiting part (59) is arranged on the fixed base (56), the second limiting part (60) is arranged on the fixed base (56), the first limiting part (59) and the second limiting part (60) control the rotating angle of the writing and displaying combined device (1) within the range of rotating by 45 degrees left and right, and the rotating smooth ball (61) is arranged on the central bottom wall of the rotating thin platform (57), the rotary light chute (62) is arranged in the center of the fixed base table (56), and the rotary smooth ball (61) is rotatably arranged in the rotary light chute (62).
7. The teaching display device for improving the comprehension of the old people according to claim 6, wherein: the automatic height adjusting device (5) comprises an automatic height adjusting device shell (85), an adjusting fixing table (63), an x-shaped adjusting piece (64), a second motor (65), a lifting gear (66), a lifting meshing rod (67) and a lifting box (86), wherein the automatic height adjusting device shell (85) is arranged on the upper wall of the convenient and fast centering auxiliary device (6), the adjusting fixing table (63) is arranged on the inner center bottom wall of the automatic height adjusting device shell (85), one end of the x-shaped adjusting piece (64) is hinged on the adjusting fixing table (63), the other end of the x-shaped adjusting piece (64) is hinged on the inner upper wall of the automatic height adjusting device shell (85), the lifting meshing rod (67) is symmetrically arranged on the two inner side walls of the automatic height adjusting device shell (85), and the lifting box (86) is arranged on the inner wall of the automatic height adjusting device shell (85), lifting gear (66) rotate locate on lift case (86), lifting gear (66) are connected with lift meshing pole (67) meshing, second motor (65) are located on high automatically regulated device casing (85) inner wall, the output of second motor (65) links to each other with lifting gear (66).
8. The teaching display device for improving the comprehension of the old people according to claim 7, wherein: the convenient and fast centering auxiliary device (6) comprises a light amplifying mirror assembly (68), a multifunctional control panel (69), a containing box (70), a fixed bottom plate (88), wheels (71) and a triangular fixed foot assembly (72), wherein the light amplifying mirror assembly (68) is arranged on the upper wall of a shell (85) of the automatic height adjusting device, the multifunctional control panel (69) is arranged on the upper wall of the shell (85) of the automatic height adjusting device, the containing box (70) is arranged in the shell (85) of the automatic height adjusting device, the fixed bottom plate (88) is arranged on the bottom wall of the shell (85) of the automatic height adjusting device, the wheels (71) are symmetrically arranged on the bottom wall of the fixed bottom plate (88), and the triangular fixed foot assembly (72) is symmetrically arranged on two side walls of the fixed bottom plate (88); the lamp light magnifying lens assembly (68) comprises a telescopic adjusting rod (76), a lamp light magnifying lens connecting rod (75), an optical magnifying lens (73) and annular eye protection lamp beads (74), one end of the telescopic adjusting rod (76) is arranged on the upper wall of the automatic height adjusting device shell (85), one end of the lamp light magnifying lens connecting rod (75) is connected with the other end of the telescopic adjusting rod (76), the optical magnifying lens (73) is rotatably connected with the other end of the lamp light magnifying lens connecting rod (75), and the annular eye protection lamp beads (74) are annularly and uniformly distributed on the optical magnifying lens (73); the multifunctional control panel (69) comprises digital keys (77), sound ports (78) and sound receiving strips (79), the digital keys (77) are uniformly distributed on the center of the multifunctional control panel (69), the sound ports (78) and the sound receiving strips (79) are respectively arranged on the multifunctional control panel (69), the sound ports (78) are symmetrically arranged on two sides of the digital keys (77), and the sound receiving strips (79) are arranged below the digital keys (77); the triangular fixing foot component (72) comprises a triangular fixing foot fixing rod (82), a triangular fixing foot telescopic rod (81), an anti-skidding fixing locking piece (83), an opening and closing support rod (84) and a triangular fixing foot supporting block (80), the triangular fixed foot supporting blocks (80) are symmetrically arranged on the side wall of the fixed bottom plate (88), one end of the triangular fixed foot telescopic rod (81) is arranged on the triangular fixed foot supporting block (80), the triangle fixed foot fixing rod (82) is connected with the other end of the triangle fixed foot telescopic rod (81) in a sliding way, the anti-skid fixing locking piece (83) is arranged on the triangular fixing foot fixing rod (82), one end of the opening and closing support rod (84) is fixedly connected with a triangular fixed foot telescopic rod (81), the other end of the opening and closing support rod (84) is arranged on the triangular fixed foot supporting block (80), the triangular fixed foot supporting block (80) is arranged on a triangular fixed foot telescopic rod (81).
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| BE1029881B1 (en) * | 2023-03-03 | 2024-02-15 | Univ Hefei Normal | An educational display device for cultural and linguistic transmission |
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| CN213123616U (en) * | 2020-10-14 | 2021-05-04 | 南京新原点电子技术有限公司 | Electric turnover screen capable of being manually folded |
| CN112590430A (en) * | 2020-12-29 | 2021-04-02 | 西昌学院 | Culture fusion teaching is with intelligent sports teaching display device |
| CN112897109A (en) * | 2021-01-21 | 2021-06-04 | 湖南锐异资环科技有限公司 | Ash collecting and transferring device |
| CN112841873A (en) * | 2021-03-22 | 2021-05-28 | 广东莱博仕教育设备有限公司 | Experiment table for intelligent experiment operation skill evaluation |
| CN113345279A (en) * | 2021-06-24 | 2021-09-03 | 黄河水利职业技术学院 | Multimedia business-giving projection device |
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| NL2031629A (en) * | 2022-04-19 | 2022-08-17 | Univ Guizhou Education | A double-sided adjustable multi-functional display teaching aid for ideology and politics education in university |
| BE1029881B1 (en) * | 2023-03-03 | 2024-02-15 | Univ Hefei Normal | An educational display device for cultural and linguistic transmission |
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Application publication date: 20220111 |
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